Access denied for user 'rodrajrybnik_2'@'%' to database 'rodrajrybnik_2'

Cannot select database

The database server could be connected to (which means your username and password is okay) but the rodrajrybnik_2 database could not be selected.

If you do not know how to set up a database you should contact your host. If all else fails you may find help at the WordPress support forums.